96 HYMENOPTERA. 



re-examine the males, when I at once discovered that 

 they were true Bomhi ; I feel no doubt of their being the 

 same species, and as such I give descriptions of each. In 

 my Catalogue of the British Bees I have given the B. po- 

 morum as a variety of Apathus rupestris, but with a mark 

 of doubt, never having seen either a British or European 

 specimen. 



Female. — Length 8 lines. Black : the face clothed with 

 black pubescence ; the clypeus smooth and shining, the 

 labrum frino;ed with fierruo-inous hairs. Thorax clothed 

 with black pubescence, obscurely fringed in front with a 

 mixture of yellowish hair, a similar fringe on the scutellum ; 

 the legs with a short black pubescence, that on the basal 

 joint of the tarsi beneath ferruginous ; at the extreme apex 

 of the anterior and intermediate tibiae a little short pale pu- 

 bescence. Abdomen : clothed with ferruginous pubescence, 

 the basal segment with a mixture of pale yellow hairs, that 

 on the extreme base being black; beneath, with a few scattered 

 pale hairs. 



Male. — Length 7 lines. Black : the face densely clothed 

 with black pubescence, the clypeus with a few scattered 

 black hairs. Thorax : clothed with pale yellowish-white 

 pubescence, with a band of black between the wings; the 

 legs with thin short black pubescence above; the femora 

 fringed with long pale pubescence, that on the basal joint of 

 the tarsi beneath ferruo;inous. Abdomen: clothed with fulvo- 

 ferruginous pubescence, that on the basal segment is pale 

 yellowish- white ; the second segment has pale pubescence on 

 the apical portion ; beneath, it is very thin and pale. Panzer 

 describes the pubescence as hoary-white, and it would 

 doubtless be so after exposure to the sun, &c. ; the colour of 

 the hair on all the Bomhi soon fades and loses its original 

 brightness. 



